20041031015 has 24 divisors (see below), whose sum is σ = 25183128960. Its totient is φ = 15292700864.

The previous prime is 20041030987. The next prime is 20041031029. The reversal of 20041031015 is 51013014002.

It is a de Polignac number, because none of the positive numbers 2^k-20041031015 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20041030984 and 20041031002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 988874 + ... + 1008936.

It is an arithmetic number, because the mean of its divisors is an integer number (1049297040).

Almost surely, 2^20041031015 is an apocalyptic number.

20041031015 is a deficient number, since it is larger than the sum of its proper divisors (5142097945).

20041031015 is an equidigital number, since it uses as much as digits as its factorization.

20041031015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263 (or 20180 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 20041031015 its reverse (51013014002), we get a palindrome (71054045017).

The spelling of 20041031015 in words is "twenty billion, forty-one million, thirty-one thousand, fifteen".